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KMID : 1038720130240010001
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Progress in Medical Physics
2013 Volume.24 No. 1 p.1 ~ p.24
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Guideline for Imaging Dose on Image-Guided Radiation Therapy
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Cho Byung-Chul
Huh Hyun-Do
Kim Jin-Sung
Choi Jin-Ho
Kim Seong-Hoon
Cho Kwang-Hwan
Cho Sam-Ju
Min Chul-Kee
Shin Dong-Oh
Lee Sang-Hoon
Park Dong-Wook
Kim Kum-Bae
Choi Sang-Hyoun
Kim Hye-Young
Ahn Woo-Sang
Kim Tae-Hyeong
Han Su-Cheol
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Abstract
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As image-guided radiation therapy (IGRT) has been commonly used for more accurate patient setup and monitoring tumor movement during radiation therapy, the necessity for management of imaging dose is increased. However, it has not been an interest issue to radiation therapy communities because the imaging dose is much lower than the therapeutic dose. However, since the cumulative dose from 4DCT and repeated imaging for daily setup verificationin would not be ignorable, appropriate dose management based on ALARA (As Low As Reasonably Achievable) principle is required. In this study, we aimed that (1) survey on imaging equipments and modalities used for IGRT, (2) estimation of IGRT imaging dose depending on treatment types and equipments, (3) collecting data of effective dose on treatment sites from each equipment and imaging protocol, and thus finally provide guideline for imaging dose reduction and optimization.
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KEYWORD
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Radiation therapy , Image-guided radiation therapy , Imaging dose , Effective dose
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